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Name | Mastery | Learn | Test | Matching | Spaced |
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sin0
0
sin30
1/2
sin45
1/√2
sin60
√3/2
sin90
1
cos0
1
cos30
√3/2
cos45
1/√2
cos60
1/2
cos90
0
tan0
0
tan30
1/√3
tan45
1
tan60
√3
tan90
undefined
SIN
(√num of fingers above)/2
COS
(√num of fingers below)/2
TAN
flip hand, (√num of fingers above)/(√num of fingers below)